Yes, if the state you live in recognizes common law marriage. There are very few states that recognize gay common law marriage.
The other option is that you can claim her as a dependent on your tax return as long as she did not earn more the $4,200 during the year and you provided more than 50% of her support.
Click to link Rules for Claiming a Dependent on Your Tax Return
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"